Rishabh Raizada

• Username: 4★rishabh510
• Country:  India
• Student/Professional:Student
• Institution:Maharaja Surajmal Institute of Technology C-4 Janak Puri, New Delhi-110058
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 18

Current Ratings Graph Old Ratings Graph

1866 (+51)RatingProvisional
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April Lunchtime 2021 Division 2(2021-04-30 22:30:02)

Global Rank:   262

Cheated in:   

Ratings System Update

(2021-04-30 22:30:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1866 (-76)RatingProvisional
Rating i Provisional Rating, click to know more

April Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   262

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (18)

March Challenge 2019 Division 2

Chef and a Beautiful Digit, Chef and Number Game

March Cook-Off 2019 Division 2

XOR N-bonacci Sequence

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Ada Matrix, Coronavirus Spread 2

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 1

Restore Sequence, Magical Candy Store

January Challenge 2021 Division 2

Chef and Ants, Fair Elections, Watching CPL, Expected Number of SCCs

December Challenge 2020 Division 1

Hail XOR, String Operations, Positive Prefixes, Even Pair Sum

January Cook-Off 2021 Division 2

Prime Tuples, Maximise Islands

December Lunchtime 2020 Division 2 (Unrated)

Three Letters, Sed Sequences

January Lunchtime 2021 Division 2 (Unrated)

Binary Subsequence, Even Sum, Even Differences

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, Yet Another Crossover Episode

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates

November Lunchtime 2020 Division 1

Gasoline

September Cook-Off 2020 Division 2

Bowling Strategy

September Lunchtime 2020 Division 2

GCD operations, Watermelon

UWCOI 2021 (Rated for all)

Array Swaps, Hidden Numbers

February Lunchtime 2021 Division 2

Average Sorting, Sed Max, Palpal Strings, Coprime Range, Independent Set

April Cook-Off 2021 Division 1

OR of ANDs

April Lunchtime 2021 Division 2

A Special Tree, Chef in Heaven , Bench Press, Array Rotation

Total Problems Solved: 78